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Table 5 Histological findings in ears of suckling piglets (SP), weaners (WE) and fatteners (FA)

From: Swine inflammation and necrosis syndrome is influenced by husbandry and quality of sow in suckling piglets, weaners and fattening pigs

 

SPa

WEb

FAc

SP

 

WE

 

FA

 

Macroscopically conspicuous

14.78

76.58

63.11

0d

1e

0d

1e

0d

1e

n

115

111

103

98

17

29

82

44

59

Granulation tissue formation: fibroangioblastic

13.91

76.58

63.11

1 (1)

16f (94.1%g)

5 (17.2%)

80 (97.6%)

7 (15.9%)

58 (98.3%)

Granulation tissue formation: mature

0

0

0

0 (0)

16 (94.1%)

5 (17.2%)

80 (97.6%)

7 (15.9%)

58 (98.3%)

Granulation tissue formation: active fibrosis

0

0

0

0 (0)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Granulation tissue formation: inactive fibrosis

0

0

0

0 (0)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Inflammation

5.22

56.76

34.95

0 (0)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Inflammation: lymphoplasmacellular

0

0

0

1 (1)

5 (29.4%)

2 (6.9%)

61 (74.4%)

3 (6.8%)

33 (55.9%)

Inflammation: mononuclear

0

0

0

0 (0)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Inflammation: mixed cellular

0.87

7.21

6.8

0 (0)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Inflammation: purulent

14.78

72.07

61.17

0 (0)

1 (5.9%)

4 (13.8%)

4 (4.9%)

3 (6.8%)

4 (6.8%)

Inflammation: eosinophil

0

0

0

1 (1)

16 (94.1%)

3 (10.3%)

77 (93.9%)

8 (18.2%)

55 (93.2%)

Inflammation: necrotizing

0

0

0

0 (0)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Inflammation: necrosuppurative

0

0

0

0 (0)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Necroses: subepithelial

11.3

34.23

39.81

0 (0)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Necrosis: epithelial

14.78

73.87

57.28

0 (0)

13 (76.5%)

0 (0%)

37 (45.1%)

0 (0%)

41 (69.5%)

Bleeding

1.74

18.92

8.74

0 (0)

17 (100%)

0 (0%)

82 (100%)

0 (0%)

59 (100%)

Bleeding hemosiderosis

0

0

0

0 (0)

2 (11.8%)

2 (6.9%)

19 (23.2%)

0 (0%)

9 (15.3%)

Blood vessel thrombosis

0.87

4.5

1.94

0 (0)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

(Sub) intimal proliferation

0

2.7

1.94

0 (0)

1 (5.9%)

0 (0%)

5 (6.1%)

0 (0%)

2 (3.4%)

Vasculitis

3.48

27.93

33.98

0 (0)

0 (0%)

0 (0%)

3 (3.7%)

0 (0%)

2 (3.4%)

Arteriosclerosis

0

0

0

0 (0)

4 (23.5%)

0 (0%)

31 (37.8%)

1 (2.3%)

34 (57.6%)

  1. a, b, c: percentage of suckling piglets (a), weaners (b) and fattening pigs (c) with histological findings. d: individuals without changes of the epithelium; e: individuals with changes to the epithelium. f: absolute number of individuals with histological findings; g: percentage of individuals with histological findings (in brackets)
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Porcine Health Management

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